Home / 12,153.47-18,226.63-6,226.70

Finding the Fourth Proportional to 12,153.47, 18,226.63 and 6,226.70

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Solution

The fourth proportional to 12,153.47, 18,226.63 and 6,226.70 is: 9,338.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,153.47 : 18,226.63 = 6,226.70 : x
  2. Step 2: Convert to fraction form
    12,153.47/18,226.63 = 6,226.70/x
  3. Step 3: Cross multiply
    12,153.47x = 18,226.63 × 6,226.70
  4. Step 4: Simplify right side
    12,153.47x = 113,491,757.02
  5. Step 5: Solve for x
    x = 113,491,757.02/12,153.47
  6. Step 6: Final answer
    x = 9,338.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.